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MSSQLÌí¼Ó×Ö¶Î˵Ã÷

--×Ö¶ÎÌí¼Ó˵Ã÷
EXEC sp_addextendedproperty 'MS_Description', 'ÒªÌí¼ÓµÄ˵Ã÷', 'user', dbo, 'table', ±íÃû, 'column', ÁÐÃû
--ɾ³ý×Ö¶Î˵Ã÷
EXEC sp_dropextendedproperty 'MS_Description', 'user', dbo, 'table', ±íÃû, 'column', ×Ö¶ÎÃû
--²é¿´×Ö¶Î˵Ã÷
SELECT
    [Table Name] = i_s.TABLE_NAME,
    [Column Name] = i_s.COLUMN_NAME,
    [Description] = s.value
from
    INFORMATION_SCHEMA.COLUMNS i_s
LEFT OUTER JOIN
    sysproperties s
ON
    s.id = OBJECT_ID(i_s.TABLE_SCHEMA+'.'+i_s.TABLE_NAME)
    AND s.smallid = i_s.ORDINAL_POSITION
    AND s.name = 'MS_Description'
WHERE
    OBJECTPROPERTY(OBJECT_ID(i_s.TABLE_SCHEMA+'.'+i_s.TABLE_NAME), 'IsMsShipped')=0
     AND i_s.TABLE_NAME = 'jobs'
ORDER BY
    i_s.TABLE_NAME, i_s.ORDINAL_POSITION


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MSSQL´æ´¢¹ý³ÌʵÀý

Create proc RegisterUser
(
@usrName varchar(30)
,@usrPasswd varchar(30)
,@age int
,@PhoneNum varchar(20)
,@Address varchar(50)
)
as
begin
--ÏÔʾ¶¨Òå²¢¿ªÊ¼Ò»¸öÊÂÎñ
begin tran
insert into user
(
userName
,userPasswd
)
values
(
@usrName
,@usrPassw ......

»ùÓÚmssql °ÙÍò¼¶ Êý¾Ý ²éѯ ÓÅ»¯ ¼¼ÇÉÈýÊ®Ôò

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2.Ó¦¾¡Á¿±ÜÃâÔÚ where ×Ó¾äÖжÔ×ֶνøÐÐ null ÖµÅжϣ¬·ñÔò½«µ¼ÖÂÒýÇæ·ÅÆúʹÓÃË÷Òý¶ø½øÐÐÈ«±íɨÃ裬È磺
select id from t where num is null
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select id ......

MsSQL,MySQL,Oracle,Êý¾Ý¿âÁ¬½Ó×Ö¶Î

Ms sql 2000
drivername=com.microsoft.jdbc.sqlserver.SQLServerDriver
url=jdbc:microsoft:sqlserver://localhost:1433;DatabaseName=books
username=sa
password=sa
MySQL
drivername=com.mysql.jdbc.Driver
url=jdbc:mysql://localhost/books
username=root
password=root
Oracle
drivername=orac ......

MSSQLÊý¾Ý¿â±¸·Ý

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ÏÂÒ ......
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